Rotary snap-switch.



e. w. GOODRIDGB. ROTARY SNAP SWITCH.

APPLICATION FILED JAN. 3, 1908.

924,609. Patented June a, 1909.

INVE NTOR JWMM HTTORNEYS Momsmue, Inc. urmz. Iagqmcm m c p No. 924,609.

. jnm'rnn sra'rns G LBERT w; eoonnmen; .oF BRIDGEPORP,

PATENT mm connnorieu'r, ASSIGNOR TO THE PERKINS Pona'rIoN or CONNECTICUT.

Specification of Leae'a Patent.

ROTARY SNAP-SWITCH.

PatentedJune 8, 1909.

Application filed January a, 1908. Serial No. 409,182.

=T0 all whom it. concern: Y Be it known that 'I, GILBERT RIDGE, a citizen-of the United States of America,- and a resident of Bridgeport, in the county of Fairfield, in the State of Gonnecti- I cut, havefinvente'dcertain new and useful Improvements-in Rotary..Sniafii-Switches, of

which the following is a spec cation.

" The object of my present invention is to' rovide for rotary sna switches asimple' orm of bindingfpost, w 'ch will permit the. wires to be; clamped under the headof the bindin screw, and which can be employed -with t e present form of porcelain bases without requiringany change whatever in the latter. a

In the accompanying drawings Figure 1 isa perspective view of a rotary snap switch base provided with my improved form of contact post; Fig. 2 is a plan view ofpart of such a base; and Fig. .3 is an enlarged sectional view.-

' In these views I have shownonly suflicient illustrate my invention. I

My im roved'contact posts, in illustrates, v switch member of the type illustrated in the Thomas patent No. 687 ;669,'that is, a rotary.

switch member having contact cli s to em brace make contactiwith and s11 e over a blade harried by each binding post. iAndin Fig. 1, I. have illustrated a construction of t 1e wires from the underside. r

I form-each of my improved binding'posts of sheet metal stamped up to form a horizon adapted for a double pole switch. InFig. the porcelain or other insulating base has 111 it it right openings a, a, for the free passage taY base *iece 7 with two lateral ears 8, 8, having t readed openings to receive the usual securing screws 9, which are set, in from the underside of the base.' Between these side win s is the horizontally project ng con- 4 5 tact bla e 10, also on the base. Between the two ears 8, 8, is formed an u rlghti Ql-ate 13,

which at 14 is pierced, forme u an threaded to receive the substantial y horizontal binding screw 15, set-radially of the switch base and with the head of the screw outward, so that it will lie over the. hole a, through which the wire is brought up from below.

Gooncontactpost t'o he m are adapted for use witha rotary The post is so formed that the ears 8, 8, project outwardly beyond the upright plate 13 so that the latter may not coverup the hole a but leave plenty of clearance for the passage of the wires. The bared ends of the wires are brought u through these holes a and wrapped aroun the stems of the screws 15., w'hic are then screwed up to clamp them between the heads of the screws and the upright plates 13 and get good contacts, In s 16 being provided to- 'aid in mechanical y holding the wires in lace.

stood Ijhave used't e terms upright and horizontal? only .for convenience in describing the relative positions of the parts.

The described constructidn of contact and binding post can be applied in the present construction of insulating base without re.

It will be under quiring any change whatever in the latter) base with lateral'securing cars, a orizonprojecting blade' ;on the-base between ears, carrying a substantially. horizontal binding screw lying over the wire hole in the contact and binding posts, each com rising a 1 tall sai ears and an upright plate between the I .base and under the head of which the wires may be clamped.-

- 2. The-combination of the insulating base of a rotary snap switch, having holes for the passage of, the wires andh'a'ving combined J contact and binding posts, each comprising a base with lateral securing cars, a horizontally projecting blade on the. base between said ears and an u right'blade between the ears, carrying a s bstantially horizontal binding screw, over one of the holes in the base the ears projecting outwardly on opposite s des of the hole and beyond the u rig t plate, as and for the purpose described In testimony whereof I have signed my name to thisspecifica'tion, in the presence of two subscribing witnesses.

GILBERT -W. GOODRIDGE.

:Witnesses: v

HUBERT Howso WILLIAM- ABBE. 

